Sep 10 18:50:33.241 INFO checking futures-await-0.1.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 18:50:33.242 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 18:50:33.242 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:50:33.457 INFO blam! 30f96bb55edac71caf6afd7c65792f1916fffd8ad7ad04c86d1541dc62b673b1
Sep 10 18:50:33.459 INFO running `"docker" "start" "-a" "30f96bb55edac71caf6afd7c65792f1916fffd8ad7ad04c86d1541dc62b673b1"`
Sep 10 18:50:34.358 INFO kablam! usermod: no changes
Sep 10 18:50:34.539 INFO kablam!     Checking futures-await v0.1.1 (file:///source)
Sep 10 18:50:35.058 INFO kablam! warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 10 18:50:35.058 INFO kablam!   --> src/lib.rs:16:12
Sep 10 18:50:35.058 INFO kablam!    |
Sep 10 18:50:35.058 INFO kablam! 16 | #![feature(use_extern_macros)]
Sep 10 18:50:35.058 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 10 18:50:35.058 INFO kablam!    |
Sep 10 18:50:35.058 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 10 18:50:35.058 INFO kablam! 
Sep 10 18:50:35.067 INFO kablam! warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 10 18:50:35.067 INFO kablam!   --> src/lib.rs:16:12
Sep 10 18:50:35.067 INFO kablam!    |
Sep 10 18:50:35.067 INFO kablam! 16 | #![feature(use_extern_macros)]
Sep 10 18:50:35.067 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 10 18:50:35.067 INFO kablam!    |
Sep 10 18:50:35.067 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 10 18:50:35.067 INFO kablam! 
Sep 10 18:50:35.841 INFO kablam! error[E0659]: `await` is ambiguous
Sep 10 18:50:35.841 INFO kablam!   --> tests/smoke.rs:70:5
Sep 10 18:50:35.841 INFO kablam!    |
Sep 10 18:50:35.841 INFO kablam! 70 |     await!(foo())
Sep 10 18:50:35.841 INFO kablam!    |     ^^^^^
Sep 10 18:50:35.841 INFO kablam!    |
Sep 10 18:50:35.841 INFO kablam! note: `await` could refer to the name imported here
Sep 10 18:50:35.841 INFO kablam!   --> tests/smoke.rs:13:5
Sep 10 18:50:35.841 INFO kablam!    |
Sep 10 18:50:35.841 INFO kablam! 13 | use futures::prelude::*;
Sep 10 18:50:35.841 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 10 18:50:35.841 INFO kablam!    = note: `await` is also a builtin macro
Sep 10 18:50:35.841 INFO kablam!    = note: consider adding an explicit import of `await` to disambiguate
Sep 10 18:50:35.841 INFO kablam! 
Sep 10 18:50:35.841 INFO kablam! error[E0659]: `await` is ambiguous
Sep 10 18:50:35.841 INFO kablam!   --> tests/smoke.rs:75:13
Sep 10 18:50:35.841 INFO kablam!    |
Sep 10 18:50:35.841 INFO kablam! 75 |     let a = await!(foo())?;
Sep 10 18:50:35.841 INFO kablam!    |             ^^^^^
Sep 10 18:50:35.841 INFO kablam!    |
Sep 10 18:50:35.841 INFO kablam! note: `await` could refer to the name imported here
Sep 10 18:50:35.841 INFO kablam!   --> tests/smoke.rs:13:5
Sep 10 18:50:35.842 INFO kablam!    |
Sep 10 18:50:35.842 INFO kablam! 13 | use futures::prelude::*;
Sep 10 18:50:35.842 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 10 18:50:35.842 INFO kablam!    = note: `await` is also a builtin macro
Sep 10 18:50:35.842 INFO kablam!    = note: consider adding an explicit import of `await` to disambiguate
Sep 10 18:50:35.842 INFO kablam! 
Sep 10 18:50:35.842 INFO kablam! error[E0659]: `await` is ambiguous
Sep 10 18:50:35.842 INFO kablam!   --> tests/smoke.rs:76:13
Sep 10 18:50:35.842 INFO kablam!    |
Sep 10 18:50:35.842 INFO kablam! 76 |     let b = await!(foo())?;
Sep 10 18:50:35.842 INFO kablam!    |             ^^^^^
Sep 10 18:50:35.842 INFO kablam!    |
Sep 10 18:50:35.842 INFO kablam! note: `await` could refer to the name imported here
Sep 10 18:50:35.842 INFO kablam!   --> tests/smoke.rs:13:5
Sep 10 18:50:35.842 INFO kablam!    |
Sep 10 18:50:35.842 INFO kablam! 13 | use futures::prelude::*;
Sep 10 18:50:35.842 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 10 18:50:35.842 INFO kablam!    = note: `await` is also a builtin macro
Sep 10 18:50:35.842 INFO kablam!    = note: consider adding an explicit import of `await` to disambiguate
Sep 10 18:50:35.842 INFO kablam! 
Sep 10 18:50:35.842 INFO kablam! error[E0659]: `await` is ambiguous
Sep 10 18:50:35.842 INFO kablam!   --> tests/smoke.rs:82:18
Sep 10 18:50:35.842 INFO kablam!    |
Sep 10 18:50:35.842 INFO kablam! 82 |     let (a, b) = await!(foo().join(foo()))?;
Sep 10 18:50:35.842 INFO kablam!    |                  ^^^^^
Sep 10 18:50:35.842 INFO kablam!    |
Sep 10 18:50:35.842 INFO kablam! note: `await` could refer to the name imported here
Sep 10 18:50:35.842 INFO kablam!   --> tests/smoke.rs:13:5
Sep 10 18:50:35.842 INFO kablam!    |
Sep 10 18:50:35.842 INFO kablam! 13 | use futures::prelude::*;
Sep 10 18:50:35.842 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 10 18:50:35.842 INFO kablam!    = note: `await` is also a builtin macro
Sep 10 18:50:35.842 INFO kablam!    = note: consider adding an explicit import of `await` to disambiguate
Sep 10 18:50:35.842 INFO kablam! 
Sep 10 18:50:36.034 INFO kablam! error: aborting due to 4 previous errors
Sep 10 18:50:36.038 INFO kablam! 
Sep 10 18:50:36.038 INFO kablam! For more information about this error, try `rustc --explain E0659`.
Sep 10 18:50:36.044 INFO kablam! error: Could not compile `futures-await`.
Sep 10 18:50:36.044 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 18:50:36.611 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #38356)
Sep 10 18:50:36.611 INFO kablam!   --> examples/echo.rs:29:18
Sep 10 18:50:36.611 INFO kablam!    |
Sep 10 18:50:36.611 INFO kablam! 29 |       let server = async_block! {
Sep 10 18:50:36.611 INFO kablam!    |  __________________^
Sep 10 18:50:36.611 INFO kablam! 30 | |         #[async]
Sep 10 18:50:36.611 INFO kablam! 31 | |         for (client, _) in tcp.incoming() {
Sep 10 18:50:36.611 INFO kablam! 32 | |             handle.spawn(handle_client(client).then(|result| {
Sep 10 18:50:36.611 INFO kablam! ...  |
Sep 10 18:50:36.611 INFO kablam! 41 | |         Ok::<(), io::Error>(())
Sep 10 18:50:36.611 INFO kablam! 42 | |     };
Sep 10 18:50:36.611 INFO kablam!    | |_____^
Sep 10 18:50:36.611 INFO kablam!    |
Sep 10 18:50:36.611 INFO kablam!    = help: add #![feature(proc_macro_non_items)] to the crate attributes to enable
Sep 10 18:50:36.611 INFO kablam! 
Sep 10 18:50:36.654 INFO kablam! error: aborting due to previous error
Sep 10 18:50:36.654 INFO kablam! 
Sep 10 18:50:36.654 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 18:50:36.665 INFO kablam! error: Could not compile `futures-await`.
Sep 10 18:50:36.666 INFO kablam! 
Sep 10 18:50:36.666 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 18:50:36.668 INFO kablam! su: No module specific data is present
Sep 10 18:50:37.125 INFO running `"docker" "rm" "-f" "30f96bb55edac71caf6afd7c65792f1916fffd8ad7ad04c86d1541dc62b673b1"`
Sep 10 18:50:37.235 INFO blam! 30f96bb55edac71caf6afd7c65792f1916fffd8ad7ad04c86d1541dc62b673b1